Clean energy

Climatetech finance

With scaled-back plans, green banks navigate Trump’s funding freeze

Green banks enabled $12.4 billion in hard-to-finance clean energy and climate projects in 2024 and 2025. But they had to scramble to make up for lost federal funds.

By Jeff St. John . 12 October 2026

A nun in a dark habit standing with arms outstretched by a solar panel on grass — Sister Judith Therese Barial of the Sisters of the Holy Family stands next to a community solar array built with green-bank financing. (Brett Duke/Together New Orleans)

Politics

Clean-energy super PAC names its target list for general elections

The Invest in Tomorrow Coalition wants to extend its perfect primary performance in the general elections as it homes in on seven Republican Congress members.

By Kathryn Krawczyk . 9 October 2026
Nuclear

Constellation and Google go in on nuclear uprates to unlock clean power

The $4.3 billion deal will add 890 megawatts by upgrading equipment, but the U.S. needs to build — and restart — reactors to spur a true nuclear renaissance.

By Brian Martucci . 8 October 2026
Clean energy

A new group to help US small towns lead the clean energy transition

Enfield Mayor Mondale Robinson announced the group’s launch in September, saying that small towns, often overlooked, will have more power if they work together.

By Elizabeth Ouzts . 8 October 2026
Solar

Connecticut’s solar ambitions hit skepticism from a major utility

The state’s top utility has refused to sign deals for solar projects picked by the state. Will the same thing happen with Connecticut’s latest round of procurements?

By Sarah Shemkus . 7 October 2026
Food and farms

This startup helps food carts switch loud, dirty generators for batteries

A battery-swapping experiment in NYC lets vendors access clean power without having to buy the systems or charge them. The approach promises big cost savings.

By Ysabelle Kempe . 30 September 2026
Nuclear

A ‘wholesale revision’ of US nuclear rules is on the table

The Nuclear Regulatory Commission has been busy responding to Trump’s executive order. But will the many siting and permitting changes accelerate nuclear deployment?

By Brian Martucci . 30 September 2026
Geothermal

In global first, a next-gen geothermal plant goes live at utility scale

Fervo Energy is producing clean power at Cape Station in Utah. It’s a big milestone, but the industry must tackle high costs and other barriers in order to scale.

By Maria Gallucci . 28 September 2026
Politics

A recent legal victory could free $7B in frozen Solar for All funds

Nonprofits and companies are ready to relaunch solar projects to help low-income residents — if the Trump administration obeys a court order to give them the money.

By Jeff St. John . 24 September 2026
Utilities

US utilities get failing grade on clean energy transition

Too many utilities are keeping coal plants open, planning new gas plants, and building less renewable energy, the Sierra Club’s latest "Dirty Truth Report" finds.

By Jeff St. John . 22 September 2026
Guides and how-tos

How to stick up for renewable energy projects near you

Showing up at local government hearings to support a proposed wind, solar, or battery project could be the most effective climate action you ever take.

By Alison F. Takemura . 21 September 2026